lanthanum vs La

lanthanum and La both are nouns.

Word	Noun	Adjective	Verb	Adverb
lanthanum	Yes	No	No	No
La	Yes	No	No	No

As nouns, lanthanum and La are synonyms defined as:

lanthanum and La: a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

Other synonyms of lanthanum include atomic number 57.

lanthanum (noun)	La (noun)
a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth	a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth